ABA BLOCK COPOLYMER INCLUDING LACTIC ACID UNITS

USPTO Patent Application US 2018/0155504 A1
Application Date: Jun. 7th, 2018

ABSTRACT

Disclosed herein is an ABA type block copolymer including a repeating unit derived from lactic acid that is excellent in physical properties, such as toughness. The ABA type block copolymer...
Assignee(s):
Application Number:
15/576,419
International Classification:
C08G 81/00 (20060101); C08G 63/688 (20060101); C08G 63/08 (20060101)
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CLAIMS

What is claimed is:

1. An ABA type block copolymer, in which a polymer block A comprising a repeating unit derived from lactic acid and a polymer block B comprising a repeating unit represented by a formula [I] are linked in an order of A-B-A,(wherein R1 represents a hydrogen atom, an unsubstituted or substituted...

DESCRIPTION

TECHNICAL FIELD

The present invention relates to an ABA type block copolymer comprising a lactic acid unit.
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